Revision 2

Q 1 :Some sounds come from a source

• True

• False

Sounds travels just through air

• False

• True

people can make different sound

• True

• False

vibration makes sound

• False

• True

What medium does sound travel through slowest?

• solid

• liquid

• gas

Measure of how high or low a sound is

• pitch

• speed

• vibrations

A longer string makes a ______ pitch than a short string.

• higher

• softer

• lower

An object that does not vibrate cannot produce

• sound

• heat

• light

What medium does sound travel fastest through?

• solid

• liquid

• gas

Why is the school library covered with carpet?

• To muffle sound

• Its look good

• To make noise